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SPEED CONTROLLING AN ELECTRIC MACHINE OF A HYBRID ELECTRIC VEHICLE

  • US 20180050687A1
  • Filed: 08/19/2016
  • Published: 02/22/2018
  • Est. Priority Date: 08/19/2016
  • Status: Active Grant
First Claim
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1. A hybrid powertrain comprising:

  • an engine having a crankshaft;

    an electric motor including a rotor selectively coupled to the crankshaft via a disconnect clutch;

    a transmission including a torque converter having an impeller fixed to the rotor; and

    a controller configured to, in response to the engine starting, generate a torque command for the motor that defines a magnitude that is based on a difference between a target impeller speed and a measured impeller speed.

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